集束參數 的英文怎麼說
中文拼音 [jíshùshēnshǔ]
集束參數
英文
bunching parameter-
Secondly, this paper illustrated the nonlinear phase dynamic theory of the aia array and the application of it to power - combining and beam - scaning technique. according to these theories, the coupling parameter of nearest neighbors was found by experiment, then the two - element and three - element aia array were designed, and the result of measurement was in agree with that of the nonlinear phase dynamic theory, and the beam - scaning of two - element array was realized by tuning the free oscillation frequency of the elements
其次，本文討論了有源集成天線陣列的非線性相位動態理論以及它在功率合成和波束掃描方面的應用，包括同步工作條件、穩定條件和相位動態方程等，通過實驗確定了陣列中相鄰單元間耦合參數，並將之運用於有源集成天線二元陣和三元陣的設計，實驗結果與理論結果吻合較好。Moreover, compensated for aberration of ball lens by designing phase compensating plate to get a higher energy utilization rate. third, combining with the light beam property of dwdm system, put forward taking fresnel lens array as fiber arrayed collimator, designed differently structured lens array and discovered the arrayed collimator loss property, which compared with the existing parameter of fiber collimator, embodies many advantages as arrayed collimator
結合密集波分復用系統的光束耦合特點，提出用菲涅爾透鏡列陣做光纖陣列準直器，並設計不同結構的透鏡列陣，得出了該陣列準直器的光束耦合損耗特徵，與現有的光纖準直器的參數相比，體現出用菲涅爾透鏡列陣作陣列光纖準直器的諸多優勢。Utilizing the idea of sfs ( shape from shading ) and the facial constrained information, we reconstruct face model by single frontal face image. we utilize orthogonal image method to generate individualized face model by adjusting the parameters of the candide - 4. we realize an algorithm based on minimum features for rapid face modeling from video, by tracking feature points, calibrating exterior parameter, estimating 3d location of feature points
利用shapefromshading的思想和人臉的約束信息實現了基於單幅正面人臉圖像的重建；以candide - 4的參數調整為手段實現基於兩幅正交圖像的人臉模型重建；通過跟蹤視頻中的特徵點，標定相機外參，進而估計特徵點的3d位置，實現了基於一段視頻中小特徵點集的人臉建模演算法。Divider, coaxial line, trigger, signal processing, data acquisition, acquisition control and waveform analysis software is included in the device. when the device operate in the system, overvoltage is transferred to coaxial line by the divider. if the overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file
當裝置在線運行時，系統中出現的過電壓信號通過分壓器傳遞到同軸電纜，通過觸發電路判斷，如果大於預先設定的值則啟動採集卡的同時采樣，采樣結束后，計算機把數據存盤並以文件格式保存，管理人員隨時通過調用專用軟體調取文件進行各種參數分析。Overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file. in the trial measurement, the device shows good performance. simulant trial and actual result indicate that method in the paper acquire approving effect, and the device can be used in the lokv distribution network
當裝置在線運行時，系統中出現的過電壓信號通過分壓器傳遞到同軸電纜，通過觸發電路判斷，如果大於預先設定的值則啟動採集卡的同時采樣，采樣結束后，計算機把數據存盤並以文件格式保存，管理人員隨時通過調用專用軟體調取文件進行各種參數分析。In these thesis, on the basis of existing data collected of arch bridges and dynamics, simply introduce the development and application of the analytical method and finite element numerical analysis method of arch bridges. taking the example of pubugou cfst arch bridge, establish 3 - d finite element model of it with software ansys, and analyze its natural vibration. the effects on inherent vibration of the differences of structure parameters, the restriction of the deck and the effects of different arrangements of cross braces are analyzed
本文在收集有關拱橋及動力學資料的基礎上，分析了拱橋動力學的解析分析法和有限元數值分析方法的優缺點，同時以瀑布溝大橋為背景，使用ansys軟體建立了空間有限元模型，實施了橋跨結構的自振特性分析；並分析了考慮到模型簡化過程中部分結構參數取值差異、橋面板的約束狀況不同等因數對自振特性結果的影響；此外還對橋面上的橫撐布置不同導致對自振特性的影響作了分析。The methods were realized directly inversion of the possion ' s ratio from cdp gather and gas - bearing identify. by applied the late theory of avo technology, after inputting the p wave section and s wave section, the p wave and s wave impedance were obtained by applying simulate anneal inversion and used the log as a constrain condition, eventually, obtain the elastic parameter u and x by p and s impedance. then, the gas - bearing will be identified by u and x. by applying this method, the avo combination inversion of prestack and post were realized
利用上述的反演方法實現了泊松比從道集的直接反演，利用加權疊加技術實現了含油氣的識別，並利用當今avo研究的最新成果，以加權疊加技術分離出的p波和s波剖面作為輸入，在測井的約束下，採用模擬退火方法分別進行p波和s波波阻抗反演，通過p波和s波波阻抗來求取彈性參數和，再通過和的聯合解釋來進行含油氣的判別，實現了avo的疊前疊后的聯合反演。When nals was used as the collector in the process, the optimal conditions were the ph of feed solution 5. 0 - 6. 0, air flow rate 100ml / min, the liquid column depths 20cm, the surfactant concentration determined by its cmc and feed concentration. under this condition, the 3 can be above 20. also, the optimal ph ( 5. 0 ) was calculated theoretically for the recovery of the cu ( ii )
對以十二烷基硫酸鈉為捕集劑的泡沫吸附分離過程的工藝參數進行了研究，並得出本分離系統所確定的最佳工藝參數為： ph5 . 0 6 . 0 ，氣體流量100ml min ，液位高度20cm ，最佳表面活性劑濃度由其臨界膠束濃度和原料液濃度確定，此時（濃縮比）可達20以上；同時還從理論上推算出泡沫吸附分離銅的最佳ph值范圍為5 . 0左右。In the selective calculation module, the calculations of heat exchanger design, the analysis of pipe setting patterns are combined with the database so that the selective calculation sub - system is developed. considering the factors such as uniform flowing of the fluid, smaller inner radius of the shell, the well heat exchanging effect and saving materials, the pipe setting module is developed based on the designing data. in the module for automatically generating parts and assembly drawings, the database of pattern sizes and the drawing libraries are established according to the classifications and series
在選型計算模塊中，通過換熱器設計計算、管束組件的布管方式分析、數據庫的檢索，開發了浮頭式換熱器輔助設計計運算元系統；在布管定型模塊中，按照確保殼程流體流動均勻、且換熱器殼體的內徑較小、管程殼程間換熱良好且節省材料的原則，根據設計計算參數建立了自動布管定型系統；在零部件圖和裝配圖自動生成模塊中，分級分類地開發了浮頭式換熱器所有零部件圖和裝配圖的圖紙尺寸數據庫和圖庫，運用「死圖活尺寸」的開發理念，開發了圖形自動生成與管束參數化設計的集成系統。Digital design platform using the " top - down " design methods, this product is the highest form of the component unit began as a component of the overall system to be considered according to their products in the mutual position, played the role and function of the realization of the establishment of such products constitute the graphic layout, through to design constraints, the key design parameters, such as design information capture products to concentrate on aircraft design intent, top to bottom to transmit design information products launched throughout the design process
數字化機構設計平臺採用「自頂向下」的設計方法，這種方法是從產品構成的最頂層開始把組成整機的部件作為一個整體系統來考慮，並根據其在產品中的相互位置關系、所起的作用和實現的功能等建立產品構成的布局圖形，通過給定設計約束條件、關鍵的設計參數等設計信息，集中地捕捉產品整機設計意圖，自上而下地傳遞所給設計信息，展開產品的整個設計過程。The wsf method and ml method can be used in direction finding of coherent sources. we find that tam has the widest direction finding range while the available direction finding ranges of the dsam, sam _ isp, sam _ aisp, sam _ gsp and sam _ agsp are in a certain area centered at the look direction. the sam _ isp, sam _ aisp, sam _ gsp and sam _ agsp can change the effective direction finding ranges by adjusting their inner parameters and furthermore they can improve the sidelobe suppression effect compared with the dsam method
得到tam的測向范圍最寬，基於后五種簡化陣列流形的測向方法其測向有效范圍均是集中在波束指向附近的一定范圍內，其中sam _ isp 、 sam _ aisp 、 sam _ gsp和sam _ agsp對應的測向范圍可通過調整內部的參數進行相應的調整，相應地較dsam也可改善對旁瓣源的抑制效果。Abstract : according to dea method, this paper father studies how decision making units to achieve their minimum cost and maximum revenue in production possibility set under some restricted conditions, it also proposes the calculating formulas of cost and revenue efficiency
文摘:根據dea的方法原理，在求最小成本、最大收益非參數方法的基礎上，進一步研究了一定約束條件下在生產可能集內最小成本及最大收益的計算方法，並給出了相應生產單元成本和收益效率的分析模型。Analysis on comparing rs with seo is done by means of pricing patterns, biding bodies, amounts of issue and risk to underwriting, etc. on the basis of over analysis, we present some practical measures to make better the rs and seo : to improve financial parameter which is necessary for the qualification of rs, refrain non - circuiting stockholders to improperly take part in rationing shares and give up rationig shares, set standards to the policy of dividend distribution, establish the transaction market of rights of rationing shares
對配股與增發新股進行比較研究，主要從兩者的本質區別、定價方法、認購對象、發行數量、股本結構變化以及券商承銷風險等方面展開。在以上分析的基礎上，提出了完善配股、增發新股的具體措施:改進配股資格的財務控制參數，約束國有股、法人股股東的參配、棄配行為，規范上市公司股利分配政策，建立配股權交易市場;在增發價格與公司的內在價值相符的前提下實施小折扣發行，引入超額配售選擇權，建立募集資金的專戶存儲制度。Then the solving procedures of these bies by the rwg functions based moment method are elaborated, and the method of modeling complex objects built of arbitrary line, surface and volume structures is developed. in order to solve realize antenna and circuit problems, methods of adding excitations and concentrated loadings with moment method are deceloped, and matrix pencil ( mp ) method is used to deembeded the s prameters of antennas and circuits from the computed current distribution. some numerical results of practical complex antenna and scattering problems are presented to illustrate the veracity and effectiveness of the method
在第一部分中，首先從電磁場的基本理論出發，基於等效原理和邊界條件以統一的方法建立了用於分析金屬、介質及金屬與介質混合結構的邊界積分方程，並歸納和比較了各類積分的適用范圍和優缺點;在此基礎上，給出了使用基於rwg函數的矩量法求解各種邊界積分方程的一般過程;研究了具有任意線、面、體組成的復雜結構的電磁建模方法，並給出了各種多面連接情況下基函數和未知量的選取方法;研究了使用矩量法分析電路、天線問題時集總元件和激勵源的處理方法，並基於矩陣束方法（ matrixpencilmethod ）提取了電路和天線問題的s參數;最後通過分析一些工程中的復雜金屬天線問題和具有「金屬與介質混合結構」的散射和天線問題驗證了方法的準確性和高效性。What ' s more, the optimal solution cannot be guaranteed. according to the constraint nonlinear programming of designing horizontal trajectory presented by jiang shengzong in 2001, the paper constructs a nonlinear multilevel lumped parameter dynamical system by the nonlinear control theory and describes the existence of its solution and the controllability as well as the polykeys of this optimal control
2001年江勝宗等人提出了側鉆水平井軌道設計的約束非線性規劃，本文應用非線性控制理論，建立了三維水平井井眼軌跡的非線性集中參數多階段動力系統，論述了該系統解的存在性及其最優控制的可控性和多解性。Firstly, the samples are divided into several sample set, every sample set is represented by one modular e - hmm, the modular e - hmm parameters are obtained through doubly embedded viterbi training algorithm, and the necessary temporary parameters in the parameter re - estimating process are also saved for the use of next step
該方法對訓練樣本中不同訓練樣本集，都通過訓練演算法產生相應的模型參數模塊，訓練結束后對不同的模型參數模塊合成，得到最終的模型。Common focus point gather migration velocity modeling based on constraint parameter inversion
基於約束參數反演的共聚焦點道集偏移速度建模方法This paper implements differential formation of quasilinear differential equations, furthermore lumped equivalent circuit mode at boundary and constraints between voltage and current have been incorporated to find boundary conditions. because partial differential equations can transform into ordinary differential equations, it transforms telegraph equations into ordinary differential equations
本文根據偏微分數值解理論應用一階擬線性方程的差分格式，並根據電壓、電流在始端、終端上的約束關系，運用傳輸線集中參數的等效模型確定邊界條件；最後模擬計算得到響應波形。Adopting the sectionalized lumped parameter method with dynamic friction, the dynamic performances of the typical segments in lineweb, i. e. short channels, rectangular elbows, forked channel, chamber of additional holes, are analyzed using the effective approach - power bond graph ( pbg ). thus the pbg model of lineweb with the sectionalized lumped parameter method i : ; iii established. this model is proven by digital simulation and physical experiment
作為校驗線網性能約束的后續環節，本文引入包含動態摩擦的管路分段集中參數鍵合圖模型，對集成塊線網中存在的短管、直角拐彎、分支管路、工藝孔容腔等典型結構進行分析，建立起具有典型結構的線網的分段集中參數鍵合圖模型，並通過數字模擬和物理實驗得到驗大連理工大學博士學位論文證。In order to study the operation characteristics of hpacdhws, distributed parameter simulation models of the fin heat exchanger and the plate heat exchanger are built up. the compressor model is founded in map - based method, and the thermodynamics expansion value model is built up in force balance method. the dynamic system model is the efficient connection of all component models by laws of equalization of mass, momentum and energy
為了研究hpacdhws的運行特性，本文利用分佈參數法分別建立了翅片管換熱器和板式換熱器的動態數學模型，採用圖形法和力平衡法分別建立了壓縮機和熱力膨脹閥的集總參數計算數學模型，並基於質量、動量和能量守恆定律等約束條件，建立了hpacdhws的動態模擬模型。分享友人